68072872 has 16 divisors (see below), whose sum is σ = 145870560. Its totient is φ = 29174064.

The previous prime is 68072867. The next prime is 68072903. The reversal of 68072872 is 27827086.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607738 + ... + 607849.

It is an arithmetic number, because the mean of its divisors is an integer number (9116910).

Almost surely, 2^68072872 is an apocalyptic number.

It is an amenable number.

68072872 is an abundant number, since it is smaller than the sum of its proper divisors (77797688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68072872 is a wasteful number, since it uses less digits than its factorization.

68072872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215600 (or 1215596 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 68072872 is about 8250.6285821142. The cubic root of 68072872 is about 408.3112612624.

The spelling of 68072872 in words is "sixty-eight million, seventy-two thousand, eight hundred seventy-two".